Home / 677,507.73-1,016,655.30-303,530.73

Finding the Fourth Proportional to 677,507.73, 1,016,655.30 and 303,530.73

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Solution

The fourth proportional to 677,507.73, 1,016,655.30 and 303,530.73 is: 455,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,507.73 : 1,016,655.30 = 303,530.73 : x
  2. Step 2: Convert to fraction form
    677,507.73/1,016,655.30 = 303,530.73/x
  3. Step 3: Cross multiply
    677,507.73x = 1,016,655.30 × 303,530.73
  4. Step 4: Simplify right side
    677,507.73x = 308,586,125,367.37
  5. Step 5: Solve for x
    x = 308,586,125,367.37/677,507.73
  6. Step 6: Final answer
    x = 455,472.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.